GridView edit option

I have a Gridview in ASP.NET/C# that displays data when the user clicks the Search button. It has an Edit button option for every row. But when I click the Edit button, the entire GridView just goes blank. If I clilck the Search button again after that, the Gridview appears as it should with the option to edit the row that was clilcked. I am not sure how to stop it from doing this.

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